When should a radial lip seal be replaced? Choose the best answer.

A. When it is discolored
B. When it has nicks and/or small cuts
C. Every 6 months
D. Only when it is leaking


Answer: B

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A special wire wheel called an _____ wire wheel is available for high rpm use.

A. enveloped B. encased C. entrenched D. encapsulated

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Soil conservation does not pay for itself

Indicate whether the statement is true or false

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Construction drawings cannot be ________ for accurate dimensions because of the stretching or shrinking that takes place.

A. measured B. made C. scaled

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Which is the most expensive method of coupled shaft alignment initially?

A. dial indicator B. reverse dial indicator C. dial caliper D. laser

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